3 in 1 Smart Door Lock, Keyless Fingerprint,Password Lock,Easy Install, Keyless Entry Front Door Lock with Fingerprint,Great for Home, Apartment, Hotel and Office Feature: Quantity: 1pcs Material: Zin-c alloy Light color: Black Product size:6.56.514.5cm/2.562.565.71Inch Packing size: 21.5x17.5x7.5cm /8.46x6.89x2.95in Net weight:730g/1.6lb Gross weight: 905g/2lb Number of fingerprints: 50 Password capacity: 100 RECOGNITIO-N speed: 0.3s Applicable door thickness: 1.18-2.17in Unlocking method: fingerprint, key,Password Working temperature: -4-140 Standard lock body: 2.36-2.75in Adjustable-single tongue Applicable door type: office door, home wooden door, etc. This product requires 4 AAA batteries (the product does not contain batteries), please prepare by yourself Descrition: 3-in-1 Smart Lock: This biometric door lock have 3 ways of keyless entry: fingerprint + PIN Code + Backup Mechanic Keys. The Smart lock with keypad also adopt latest biometric fingerprint access technology with accurate RECOGNITIO-N rate and open the door just in 0.3 seconds. You can add up to 50 groups of fingerprints. No more fumbling around for keys when you go out. Convenience & Smart lifeWire free design and battery long standby , low battery notification, emergency power supply, no worry about out of battery and lock outside. Door lock requires 4 AAA size batteries (not included) Modern Luxury Design The lock made of high quality aluminum alloy material and streamline design, intuitive LED touch-pan make it more luxury and fashionable. Smooth feel and suitable size, easily handle by olds and kids too. Fit for most standard door, both fit left & right handed doors.Small size, fingerprint RECOGNITIO-N technology optimized to identify dry, wet fingerprints. Door thickness range: 1.18 inch to 2.17inch thick. Easy InstallationWithin minutes you can swap out your basic lock for the Smart Lock. The wire free technology makes installation quickly and easily, also security. All it need is just a small screwdriver, about 15 minutes you can install a smart lock for your home or office. Package Content: 1x Door Lock 2x Key 1xLock body 1xAccessories